The National Weather Service in New Orleans has issued an excessive heat warning for South Mississippi through Thursday.
Temperatures are expected to be in the mid-to-upper 90s, and high humidity levels will put the heat index between 107 and 114 degrees.
An excessive heat warning means a prolonged period of dangerously hot weather. The warning is in effect through 7 p.m. Thursday for southeastern Louisiana and southwest Mississippi.
Residents should drink plenty of fluids and avoid staying in the heat for long periods of time.
For more on this story, see Thursday's Sun Herald.